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Finding the Fourth Proportional to 273,168.20, 409,533.60 and 115,266.80

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Solution

The fourth proportional to 273,168.20, 409,533.60 and 115,266.80 is: 172,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,168.20 : 409,533.60 = 115,266.80 : x
  2. Step 2: Convert to fraction form
    273,168.20/409,533.60 = 115,266.80/x
  3. Step 3: Cross multiply
    273,168.20x = 409,533.60 × 115,266.80
  4. Step 4: Simplify right side
    273,168.20x = 47,205,627,564.48
  5. Step 5: Solve for x
    x = 47,205,627,564.48/273,168.20
  6. Step 6: Final answer
    x = 172,807.92

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